Received: 5 August 2019
Accepted: 13 January 2020
First Online: 21 January 2020
Ethics approval and consent to participate
: The study was approved by the ethical committee of Faculty of Medicine, Zagazig University and an informed written consent was taken from all subjects. The date of the approval of the protocol was February 2018 form the department of radiology, faculty of medicine, Zagazig university. The committee has no reference number only the date.
: All patients included in this research gave written informed consent to publish the data contained within this study. If the patient was less than 16 years old, deceased, or unconscious when consent for publication was requested, written informed consent for the publication of this data was given by their parent or legal guardian.
: The authors declare that they have no competing interests.